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K\u4e0b\uff0c\u5176\u5438\u6536\u5149\u8c31\u4e2d\u4e5f\u89c2\u5bdf\u5230\u76f8\u5e94\u7684\u7f3a\u9677\u6001\u5438\u6536\u5cf0\u3002<\/p>\n<p><strong>\u56fe<\/strong><strong>2.<\/strong> <strong>\u5355\u5c42<\/strong><strong>MoS<sub>2<\/sub><\/strong><strong>\u4e2d\u5f3a\u7f3a\u9677\u6001\u8367\u5149\u3002<\/strong>(a-b) \u542bV<sub>S<\/sub>\u548cV<sub>2S<\/sub>\u7f3a\u9677\u76841H-MoS<sub>2<\/sub>\u5c42\u7684\u539f\u5b50\u7ea7\u5206\u8fa8\u7387STEM\u56fe\u3002(c-d) \u542b\u786b\u7a7a\u4f4d\u7684\u5355\u5c42MoS<sub>2<\/sub>\u7684\u6e29\u5ea6\u4f9d\u8d56\u8367\u5149\u5149\u8c31\u53ca\u4e8c\u7ef4\u5f69\u56fe\u3002(e)10 K\u6761\u4ef6\u4e0b\uff0c\u5177\u6709\u786b\u7a7a\u4f4d\u7684\u5355\u5c42MoS<sub>2<\/sub>\u7684\u5438\u6536\u5149\u8c31\u3002<\/p>\n<p><a href=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2020\/03\/3-1.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-197163\" src=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2020\/03\/3-1.jpg\" alt=\"\" width=\"529\" height=\"784\" srcset=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2020\/03\/3-1.jpg 529w, \/\/m.iemloyee.com\/wp-content\/uploads\/2020\/03\/3-1-202x300.jpg 202w\" sizes=\"(max-width: 529px) 100vw, 529px\" \/><\/a><\/p>\n<p><strong>\u8981\u70b9<\/strong><strong>3<\/strong><strong>\uff1a\u7f3a\u9677\u6001\u8c37\u585e\u66fc\u5288\u88c2\u73b0\u8c61<\/strong><\/p>\n<p>\u572810 K\u4f4e\u6e29\u548c7T\u5f3a\u78c1\u573a\u4e0b\uff0c\u675f\u7f1a\u6001\u6fc0\u5b50\u5b58\u5728\u4e0eA\u6fc0\u5b50\u7c7b\u4f3c\u7684\u8c37\u585e\u66fc\u5288\u88c2\u6548\u5e94\uff08\u56fe3a-b\uff09\uff1a\u57280 T\u78c1\u573a\u4e0b\uff0c\u5de6\u53f3\u65cb\u8367\u5149\u66f2\u7ebf\u91cd\u5408\uff1b\u800c\u5728-7 T\u548c+7 T\u78c1\u573a\u4e0b\uff0c\u5de6\u53f3\u65cb\u8367\u5149\u53d1\u751f\u5288\u88c2\uff0c\u53f3\u65cb\u8367\u5149\u5cf0\u5206\u522b\u53d1\u751f\u84dd\u79fb\u548c\u7ea2\u79fb\u3002\u5f52\u4e00\u5316\u8367\u5149\u5149\u8c31\u4e2d\uff0c\u5de6\u53f3\u65cb\u8367\u5149\u5f3a\u5ea6\u5dee\u503c\u57280 T\u4e0b\u51e0\u4e4e\u4e3a\u96f6\uff0c\u4f46\u5728\u00b17 T\u78c1\u573a\u4e2d\u76f8\u53cd\uff0c\u8868\u660e\u78c1\u573a\u53ef\u5b9e\u73b0\u7f3a\u9677\u6001\u8c37\u81ea\u7531\u5ea6\u7684\u8c03\u63a7\uff08\u56fe3c\uff09\u3002\u5b9e\u9a8c\u8868\u660e\u7684\u7f3a\u9677\u6001\u675f\u7f1a\u6fc0\u5b50\u7684g\u56e0\u5b50\u4e3a-6.2\uff0c\u9ad8\u4e8eA\u6fc0\u5b50\uff08-4.2\uff09\uff08\u56fe3d\uff09\u3002<\/p>\n<p><strong>\u56fe<\/strong><strong>3. <\/strong><strong>\u7f3a\u9677\u6001\u7684\u8c37\u585e\u66fc\u5288\u88c2\u6548\u5e94\u3002<\/strong>(a-b) 10 K \u65f6\uff0c0\u548c\u00b17 T\u78c1\u573a\u4e0b\u7f3a\u9677\u6001\u675f\u7f1a\u6fc0\u5b50\u548cA\u6fc0\u5b50\uff08\u673a\u68b0\u5265\u79bb\u83b7\u5f97\u7684\u5355\u5c42MoS<sub>2<\/sub>\uff09\u7684\u5f52\u4e00\u5316\u504f\u632f\u5206\u8fa8\u7684\u8367\u5149\u5149\u8c31\u3002(c) 0\u548c\u00b17 T\u78c1\u573a\u4e0b\u7f3a\u9677\u6001\uff08\u56fe3a\uff09\u53f3\u65cb\u03c3\u02c9\u548c\u5de6\u65cb\u03c3<sup>+<\/sup>\u8367\u5149\u5206\u91cf\u5f3a\u5ea6\u5dee\u3002(d) 10 K\u65f6\uff0c\u78c1\u573a\u4f9d\u8d56\u7684\u7f3a\u9677\u6001\u675f\u7f1a\u6fc0\u5b50\u548cA\u6fc0\u5b50\u7684\u8c37\u5288\u88c2\u3002<\/p>\n<p><a href=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2020\/03\/4-1.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-197164\" src=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2020\/03\/4-1.jpg\" alt=\"\" width=\"554\" height=\"355\" srcset=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2020\/03\/4-1.jpg 554w, \/\/m.iemloyee.com\/wp-content\/uploads\/2020\/03\/4-1-300x192.jpg 300w\" sizes=\"(max-width: 554px) 100vw, 554px\" \/><\/a><\/p>\n<p><strong>\u8981\u70b94\uff1a\u7f3a\u9677\u6001\u8c37\u585e\u66fc\u5288\u88c2\u7684\u7269\u7406\u673a\u5236<\/strong><\/p>\n<p>\u672c\u5f81\u5355\u5c42MoS<sub>2<\/sub>\u7684\u00b1K\u8c37\u5904\uff0c\u4ef7\u5e26\u9876\u7531Mo\u539f\u5b50\u7684<em>d<sub>x2-y2<\/sub><\/em>\u548c<em>d<sub>xy<\/sub><\/em>\u8f68\u9053\u7ec4\u6210\uff08\u8f68\u9053\u78c1\u91cf\u5b50\u6570m = \u00b12\uff09\uff1b\u5bfc\u5e26\u5e95\u7531Mo\u539f\u5b50\u7684<em>d<sub>z2<\/sub><\/em>\u8f68\u9053\u7ec4\u6210\uff08m = 0\uff09\u3002\u542b\u6709\u786b\u7a7a\u4f4d\u65f6\uff0c\u00b1 K\u8c37\u5904\u7684\u4ef7\u5e26\u9876\u4ee5\u53ca\u7f3a\u9677\u6001\u80fd\u7ea7\u7531Mo\u539f\u5b50\u76845\u4e2ad\u8f68\u9053\u7ec4\u6210\uff1a<em>d<sub>zx<\/sub><\/em>\u548c<em>d<sub>zy<\/sub><\/em> (<em>m <\/em>= \u00b11)\u3001<em>d<sub>x2-y2<\/sub><\/em>\u548c<em>d<sub>xy<\/sub><\/em> (<em>m <\/em>= \u00b12)\u53ca<em>d<sub>z2<\/sub><\/em>\u8f68\u9053(<em>m <\/em>= 0)\uff1b\u5bfc\u5e26\u5e95\u7ec4\u6210\u4e0e\u672c\u5f81MoS<sub>2<\/sub>\u4e00\u81f4\uff08\u56fe4\uff09\u3002\u7535\u5b50\u81ea\u65cb\u5bf9\u585e\u66fc\u5288\u88c2\u65e0\u8d21\u732e\uff0c\u56e0\u6b64\uff0c\u8c37\u5288\u88c2\u4ec5\u53d6\u51b3\u4e8e\u8f68\u9053\u78c1\u77e9\u548c\u8c37\u78c1\u77e9\u3002\u503c\u5f97\u5f3a\u8c03\u7684\u662f\uff0c<em>d<sub>x2-y2<\/sub><\/em>\u548c<em>d<sub>xy<\/sub><\/em>\u8f68\u9053\u5bf9\u7f3a\u9677\u6001\u80fd\u7ea7\u548c\u4ef7\u5e26\u7684\u8d21\u732e\u4e0d\u540c\uff0c\u4f1a\u589e\u5f3a\u7f3a\u9677\u6001\u8c37\u585e\u66fc\u5288\u88c2\u3002\u540c\u65f6\uff0c\u7f3a\u9677\u6001\u7535\u5b50\u6709\u6548\u8d28\u91cf\u589e\u52a0\u4e867\u500d\uff0c\u589e\u5f3a\u4e86\u8c37\u78c1\u77e9\uff0c\u4ece\u800c\u518d\u6b21\u589e\u5f3a\u7f3a\u9677\u6001\u8c37\u585e\u66fc\u5288\u88c2\u3002\u56e0\u6b64\uff0c\u7f3a\u9677\u6001\u6709\u6548\u7535\u5b50\u8d28\u91cf\u53ca<em>d<sub>x2-y2<\/sub><\/em>\u548c<em>d<sub>xy<\/sub><\/em>\u8f68\u9053\u78c1\u77e9\u7684\u5dee\u5f02\u5171\u540c\u5bfc\u81f4\u4e86\u7f3a\u9677\u6001\u8c37\u585e\u66fc\u5288\u88c2\u7684\u589e\u5f3a\uff08\u56fe5c\uff09\u3002<\/p>\n<p><strong>\u56fe4. \u7f3a\u9677\u6001\u53d1\u5c04\u4e2d\u8c37\u585e\u66fc\u5288\u88c2\u7684\u8d77\u6e90\u3002<\/strong>(a-b) \u672c\u5f81\u53ca\u542b\u6709V<sub>S<\/sub>\u7684\u5355\u5c42MoS<sub>2<\/sub>\u7684\u7535\u5b50\u80fd\u5e26\u7ed3\u6784\u5728d\u8f68\u9053\u5206\u91cf\u3002<\/p>\n<p><a href=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2020\/03\/5-1.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-197165\" src=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2020\/03\/5-1.jpg\" alt=\"\" width=\"576\" height=\"400\" srcset=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2020\/03\/5-1.jpg 576w, \/\/m.iemloyee.com\/wp-content\/uploads\/2020\/03\/5-1-300x208.jpg 300w\" sizes=\"(max-width: 576px) 100vw, 576px\" \/><\/a><\/p>\n<p><strong>\u56fe5. \u78c1\u573a\u4e2d\u7f3a\u9677\u6001\u675f\u7f1a\u6fc0\u5b50\u7684\u8c37\u585e\u66fc\u5288\u88c2\u3002<\/strong>(a) \u57282.41eV\u7684\u975e\u5171\u632f\u6fc0\u53d1\u4e0b\uff0c\u00b1 K\u8c37\u88ab\u540c\u65f6\u6fc0\u53d1\u3002(b) \u975e\u5171\u632f\u6fc0\u53d1\u4e0b\u76f8\u5173\u8f7d\u6d41\u5b50\u5f1b\u8c6b\u8fc7\u7a0b\uff0c\u7535\u5b50\u4ece\u6fc0\u53d1\u6001\u5feb\u901f\u8f6c\u79fb\u5230\u7f3a\u9677\u6001\u3002(c) \u5916\u78c1\u573a\u4e0b\uff0c\u7f3a\u9677\u6001\u8c37\u585e\u66fc\u5288\u88c2\u539f\u7406\u793a\u610f\u56fe\u3002<\/p>\n<p><a href=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2020\/03\/6-1.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-197166\" src=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2020\/03\/6-1.jpg\" alt=\"\" width=\"454\" height=\"471\" srcset=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2020\/03\/6-1.jpg 454w, \/\/m.iemloyee.com\/wp-content\/uploads\/2020\/03\/6-1-289x300.jpg 289w\" sizes=\"(max-width: 454px) 100vw, 454px\" \/><\/a><\/p>\n<p><strong>\u3010\u5c0f\u7ed3\u3011<\/strong><\/p>\n<p>\u4f5c\u8005\u5728\u5b9e\u9a8c\u4e0a\u8bc1\u5b9e\u4e86\u5355\u5c42\u7684MoS<sub>2<\/sub>\u4e2d\u7f3a\u9677\u6001\u7684\u81ea\u65cb-\u8c37\u9501\u5b9a\u6548\u5e94\uff0c\u5c06\u7f3a\u9677\u6001\u8c37\u585e\u66fc\u5288\u88c2\u7684\u589e\u52a0\u5f52\u56e0\u4e8e\u6709\u6548\u7535\u5b50\u8d28\u91cf\u4ee5\u53ca\u8f68\u9053\u78c1\u77e9\u7684\u589e\u52a0\u3002\u8be5\u5de5\u4e3a\u81ea\u65cb-\u8c37\u81ea\u7531\u5ea6\u7684\u64cd\u63a7\u63d0\u4f9b\u4e86\u65b0\u7684\u7814\u7a76\u601d\u8def\u3002<\/p>\n<p><strong>\u6587\u732e\u5730\u5740\uff1a<\/strong>Wang, Y.; Deng, L.; Wei, Q. et al. Spin-Valley Locking Effect in Defect States of Monolayer MoS2[J]. Nano Letters, 2020. DOI: 10.1021\/acs.nanolett.0c00138. https:\/\/pubs.acs.org\/doi\/10.1021\/acs.nanolett.0c00138<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u3010\u7814\u7a76\u80cc\u666f\u3011 \u4ee5MoS2\u4e3a\u4ee3\u8868\u7684\u4e8c\u7ef4\u8fc7\u6e21\u65cf\u91d1\u5c5e\u786b\u5316\u7269\uff08TMDs\uff09\u4e2d\u5b58\u5728\u4e24\u4e2a\u4e0d\u7b49\u4ef7\u7684K\u8c37-\u00b1K\u8c37\u3002K\u8c37\u7684\u8d5d\u81ea\u65cb\u5c5e\u6027\u4f7f\u5f97\u81ea\u65cb\u5411\u4e0b\uff08\u4e0a\uff09\u7684\u7535\u5b50\u5360\u636e+K\uff08-K\uff09\u8c37\uff0c\u901a\u8fc7&#8230;<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[215],"tags":[],"class_list":["post-197159","post","type-post","status-publish","format-standard","hentry","category-jiedu"],"_links":{"self":[{"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/posts\/197159"}],"collection":[{"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"\/\/m.iemloyee.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=197159"}],"version-history":[{"count":3,"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/posts\/197159\/revisions"}],"predecessor-version":[{"id":197167,"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/posts\/197159\/revisions\/197167"}],"wp:attachment":[{"href":"\/\/m.iemloyee.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=197159"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"\/\/m.iemloyee.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=197159"},{"taxonomy":"post_tag","embeddable":true,"href":"\/\/m.iemloyee.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=197159"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}